解释：皮都不存在了，毛还在哪依附呢？

经济模型的价值在于其解释和预测的能力。

Algorithms are the poetry of computation. Every algorithm has a story to tell.

The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.

Learn how to take a 20-minute power nap without embarrassment.

技术给了我们更聪明而不是更辛苦地捕鱼的工具。

数据是新时代的石油，但比石油更珍贵。